package com.itheima.upload.banben1;

import java.io.*;
import java.net.Socket;

/*
发送端
上传文件
并接收结果
 */
public class Client1 {

    public static void main(String[] args) throws IOException {
        //客户端思路:
        //创建发送端对象 cs
        Socket cs = new Socket("127.0.0.1", 18888);
        //从发送端对象中获取输出流(字节)cs.getOutputStream
        OutputStream os = cs.getOutputStream();
        //缓冲字节输出流  包装字节输出流  bos
        BufferedOutputStream bos = new BufferedOutputStream(os);
        //创建本地缓冲输入流 读文件 bis
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream("day16\\a.png"));
        //使用缓冲流写数据
        byte[] bytes = new byte[1024];
        int len;
        while ((len=bis.read(bytes))!=-1){
            bos.write(bytes,0,len);
        }

        //刷新缓存 bos.flush
        bos.flush();
        //暂停输入cs.shutdownoutput
        cs.shutdownOutput();
        //从发送端对象中获取输入流(字节)cs.getInputStream
        InputStream is = cs.getInputStream();
        //将字节输入流转换成字符输入流(InputStreamReader) reader
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        //读数据  reader.readLine()
        String result;
        while ((result=reader.readLine())!=null){
            System.out.println(result);
        }
        //释放资源)
        reader.close();
        bis.close();
        bos.close();
        cs.close();
    }
}
